Population Dynamics and Fisheries Management of Atlantic Herring

The Atlantic herring (Clupea harengus) represents one of the most prolific and commercially important marine fish species in the North Atlantic. Its population dynamics are driven by complex interactions between spawning stock biomass, environmental variability, predation and fishing pressure. Recruitment of new cohorts is highly sensitive to ocean temperature, current regimes and trophic interactions during early life stages. Spawning behaviour varies geographically, with distinct spring and autumn components that form a loosely connected metapopulation. Fisheries management has evolved from single‐stock quotas towards an ecosystem‐based approach that accounts for habitat protection, spawning ground integrity and inter‐species competition. Adaptive strategies now include dynamic spatial closures, real‐time survey inputs and predictive models that integrate physical drivers and biological responses. Successful management hinges on maintaining sustainable spawning stock biomass while safeguarding essential nursery and spawning habitats against climate‐driven shifts and anthropogenic disturbance. The global significance of Atlantic herring lies not only in its value to coastal communities but also in its role as forage for higher‐level predators, linking small pelagic dynamics to broader ecosystem resilience.

Research from Nature Portfolio

Recent studies have applied high‐resolution molecular detection to quantify predation pressure on Atlantic herring larvae in the Norwegian Sea. By analysing fish stomach contents with droplet digital PCR, researchers have shown that Atlantic mackerel exert significant top‐down control on early life stages of herring, potentially explaining discrepancies between spawning biomass and recruitment success. This approach provides precise estimates of larval mortality attributable to predation and offers a template for assessing predator–prey interactions across marine ecosystems. The findings underscore the need to incorporate interspecific predation into stock assessments and to reconsider management measures that traditionally focus solely on fishing mortality.

Population Dynamics and Fisheries Management of Atlantic Herring publication trend

The graph below shows the total number of articles in population dynamics and fisheries management of atlantic herring across all publications each year (not limited to Nature Index journals).

Technical terms

Recruitment: The addition of new individuals to a population via growth to a specified life stage or fishable size.

Spawning stock biomass: The total weight of mature individuals in a population capable of reproducing.

Metapopulation: A group of spatially separated populations connected by the movement of individuals among them.

Larval drift: The transport of fish larvae by currents during early developmental stages.

Droplet digital PCR (ddPCR): A molecular technique that partitions DNA samples into thousands of droplets for highly precise quantification of target sequences.

References

1. Essential spawning grounds of Scottish herring: current knowledge and future challenges. Reviews in Fish Biology and Fisheries (2022).
2. Adult body growth and reproductive investment vary markedly within and across Atlantic and Pacific herring: a meta-analysis and review of 26 stocks. Reviews in Fish Biology and Fisheries (2021).
3. Environmental influences on Norwegian spring-spawning herring (Clupea harengus L.) larvae reveal recent constraints in recruitment success. ICES Journal of Marine Science (2020).
4. Quantitative molecular detection of larval Atlantic herring (Clupea harengus) in stomach contents of Atlantic mackerel (Scomber scombrus) marks regions of predation pressure. Scientific Reports (2021).